Remotely waking up a Mac

I had forgotten to change a cronjob on my Mac Book Pro at home, but by the time I got to work and sshed back in, it was asleep.

The server was on Gentoo, so I looked at the Gentoo wiki and found that "emerge wakeonlan" would get me the tool to wake up the Mac.

But now I needed the MAC address, and it was asleep! But I remembered dhcp, and looked in /var/lib/dhcp/dhcp.leases and sure enough, there was the MAC address of the Mac.

Running wakeonlan, waiting for it to come alive, and sshing in worked great.

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